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This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

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Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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Effect of Chemicals on Growth & Development in Organisms

Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..

Gene Regulation in Eukaryotes
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Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....

Chromosomes X and Y and Sex Determination
Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

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Biological Viruses

Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...